Question

During a negative beta decay

• A. an atomic electron is ejected
• B. an electron which is already present within the nucleus is ejected
• C. a neutron in the nucleus decays emitting an electron
• D. a part of the binding energy of the nucleus is converted into an electron

Answer 1

Answer: (C)

a neutron in the nucleus decays emitting an electron

In negative beta decay, there is a gain of one proton and an anti-neutrino is emitted.